Battery advice

DARKSTAR-TEK

New Member
Jun 22, 2020
4
0
uk
Hi , guys i'm creating a e-bike for a 3000 watt hub motor, pretty new to the game so just wanted to double check i'm buying the right battery cells... I believe there bootlegged samsung heres a image

Capture.PNG
 

wepn

The Barking Owl ?
Jul 18, 2019
1,006
1,145
AU
Well they are good value at that price. I don't know if bootleg means out the back of the factory, at that price off the back of a truck :) or a 'quality' replica. I'd go for 3 of these in series myself. I can't see the price but no doubt substantially more.

22.2V 32AH 6S8P 21700 SAMSUNG 40T INR21700-40T BATTERY PACK 15cm 14AWG XT90 with 15cm JST balance cable

6v-222v-32ah-6s8p-21700-samsung-40t-inr21700-40t-battery-pack-15cm-14awg-xt90-with-15cm-jst-balance-cable.jpg
 

DARKSTAR-TEK

New Member
Jun 22, 2020
4
0
uk
Well they are good value at that price. I don't know if bootleg means out the back of the factory, at that price off the back of a truck :) or a 'quality' replica. I'd go for 3 of these in series myself. I can't see the price but no doubt substantially more.

22.2V 32AH 6S8P 21700 SAMSUNG 40T INR21700-40T BATTERY PACK 15cm 14AWG XT90 with 15cm JST balance cable

6v-222v-32ah-6s8p-21700-samsung-40t-inr21700-40t-battery-pack-15cm-14awg-xt90-with-15cm-jst-balance-cable.jpg
Thanks for the reply, i was wondering about the wattage I think it's 20 amp per hour...? however wanted to double check i wanted to build the battery case myself a right of passage if you will, I also intend to build a frame a enduro stealth bomber.
 

wepn

The Barking Owl ?
Jul 18, 2019
1,006
1,145
AU
Thanks for the reply, i was wondering about the wattage I think it's 20 amp per hour...? however wanted to double check i wanted to build the battery case myself a right of passage if you will, I also intend to build a frame a enduro stealth bomber.
Great! That's way more than a rite of passage. That's 20A maximum discharge current which is probably fine but of course will depend what hub motor & controller and at what voltage. For an effective & reliable 3kW I 'd suggest you check out Grintech - ebikes.ca - excellent products & resource especially their motor simulator. Input all your variables and it plots power, torque, speed, temperature etc.
Motor Simulator - Tools
 

DARKSTAR-TEK

New Member
Jun 22, 2020
4
0
uk
Great! That's way more than a rite of passage. That's 20A maximum discharge current which is probably fine but of course will depend what hub motor & controller and at what voltage. For an effective & reliable 3kW I 'd suggest you check out Grintech - bikes.ca - excellent products & resource especially their motor simulator. Input all your variables and it plots power, torque, speed, temperature etc.
Motor Simulator - Tools
cheers for the input as, i'm still in the research phase, will check them out for sure thanks for the pointer.
 

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